smash::GridBase Class Reference

#include <grid.h>

Base class for Grid to host common functions that do not depend on the GridOptions parameter.

Definition at line 67 of file grid.h.

Inheritance diagram for smash::GridBase:

Public Types
typedef int	SizeType
	A type to store the sizes. More...

Static Protected Member Functions
static std::pair< std::array< double, 3 >, std::array< double, 3 > >	find_min_and_length (const Particles &particles)

Member Typedef Documentation

SizeType

typedef int smash::GridBase::SizeType

A type to store the sizes.

Definition at line 70 of file grid.h.

Member Function Documentation

find_min_and_length()

std::pair< std::array< double, 3 >, std::array< double, 3 > > smash::GridBase::find_min_and_length ( const Particles &  particles )

staticprotected

Returns

the minimum x,y,z coordinates and the largest dx,dy,dz distances of the particles in particles.

Parameters

[in]

particles

Particles in the system

Definition at line 87 of file grid.cc.

                                                        {
  std::pair<std::array<double, 3>, std::array<double, 3>> r;
  auto &min_position = r.first;
  auto &length = r.second;
 
  // intialize min and max position arrays with the position of the first
  // particle in the list
  const auto &first_position = particles.front().position();
  min_position = {{first_position[1], first_position[2], first_position[3]}};
  auto max_position = min_position;
  for (const auto &p : particles) {
    const auto &pos = p.position();
    min_position[0] = std::min(min_position[0], pos[1]);
    min_position[1] = std::min(min_position[1], pos[2]);
    min_position[2] = std::min(min_position[2], pos[3]);
    max_position[0] = std::max(max_position[0], pos[1]);
    max_position[1] = std::max(max_position[1], pos[2]);
    max_position[2] = std::max(max_position[2], pos[3]);
  }
  length[0] = max_position[0] - min_position[0];
  length[1] = max_position[1] - min_position[1];
  length[2] = max_position[2] - min_position[2];
  return r;
}

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The documentation for this class was generated from the following files:

• src/include/smash/grid.h
• src/grid.cc